This week Intel is celebrating the 40th anniversary of the release of its first commercially available microprocessor, the Intel 4004. This gallery will look at the history of Intel's desktop chips in its effort to maintain Moore's Law.

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Here's a die shot of the 4004 chip from 1972

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The 0.8MHz Intel 8008 was realeased in 1972.

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Here's the die shot of the Intel 8008.

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The Intel 8080 jumped to 2MHz in 1980.

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A 1974 die shot of the Intel 8080.

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1978 saw the introduction of the 8086 which hit 10MHz.

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Here's a die shot of the 8086 in 1978.

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Here's the Intel 8MHz Intel 8088 as it appeared in 1979.

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A die shot for the 8088.

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A 12 MHz version of the Intel 80286 appeared in 1982.

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A die shot of Intel's 80286 chip in 1982.

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In 1985 Intel introduced the Intel386 DX Processor 33 MHz processor.

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Here's a 1985 die shot of the 1386 DX Processor 33 MHz.

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The Intel486 DX Processor 50 MHz was released in 1989.

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A die shot of the Intel486 DX Processor 50 MHz.

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Intel revolutionary Pentium Processor 66 MHz was released to the public in 1993.